Definition of silica gel noun from the Oxford Advanced Learner's Dictionary


silica gel

BrE BrE//ˈsɪlɪkə dʒel//
; NAmE NAmE//ˈsɪlɪkə dʒel//
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a substance made from silica in the form of grains, which keeps things dry by absorbing water
See the Oxford Advanced American Dictionary entry: silica gel